FOSSIL NO: AI0007 AGE: 50 million years TERM: Eocene LOCATION: Kaliningrad, Russia Pictured is a 50-million-year-old wasp preserved in Bal...

FOSSIL NO: SI0021 AGE: 125 million years TERM: Cretaceous LOCATION: Yixian Formation, Chao Yang, Liaoning, China The adults of these plant...

FOSSIL NO: SI0022 AGE: 108-92 million years TERM: Cretaceous LOCATION: Crato Formation, Ceara, Brazil Brazil's Araripe Basin is home to...

FOSSIL NO: SI0806 AGE: 125 million years TERM: Cretaceous LOCATION: Crato Formation, Ceara, Brazil This fossil shows that there is no diffe...

FOSSIL NO: AI0013 AGE: 50 million years TERM: Eocene LOCATION: Poland Flies emerge suddenly in the fossil record. One of their major charac...